DP83846AVHG/NOPB

Product Overview

• Category: Integrated Circuit
• Use: Ethernet Physical Layer Transceiver
• Characteristics: High-performance, low-power, small form factor
• Package: 48-pin LQFP (Quad Flat Package)
• Essence: Provides physical layer interface to transmit and receive Ethernet data packets
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 3.3V
• Operating Temperature Range: -40°C to +85°C
• Data Rate: 10/100 Mbps
• Interface: MII (Media Independent Interface), RMII (Reduced Media Independent Interface)
• Supported Protocols: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
• LED Indicators: Link, Activity, Speed

Pin Configuration

The DP83846AVHG/NOPB has a total of 48 pins. The pin configuration is as follows:

1. VDDA
2. VDDIO
3. VDDXTAL
4. VSSXTAL
5. XTALIN
6. XTALOUT
7. VSSA
8. MDIO
9. MDC
10. CRS_DV
11. RXD0
12. RXD1
13. RXD2
14. RXD3
15. RXDV
16. RXER
17. RXACT
18. RXCLK
19. VSSR
20. TXD0
21. TXD1
22. TXD2
23. TXD3
24. TXEN
25. TXER
26. TXACT
27. TXCLK
28. VSSIO
29. VDDIO
30. VSSA
31. VDDA
32. VDDXTAL
33. VSSXTAL
34. XTALIN
35. XTALOUT
36. VSSA
37. MDINT
38. INT/CLKEN
39. VSSR
40. VDDIO
41. VSSIO
42. VDDIO
43. VSSA
44. VDDA
45. VDDXTAL
46. VSSXTAL
47. XTALIN
48. XTALOUT

Functional Features

• Supports both 10 Mbps and 100 Mbps Ethernet data rates
• Auto-negotiation for speed and duplex mode detection
• Integrated auto-MDIX (Medium Dependent Interface Crossover) feature
• Built-in signal quality monitoring for cable diagnostics
• Energy Efficient Ethernet (EEE) support for power savings
• Supports Wake-on-LAN (WoL) functionality

Advantages and Disadvantages

Advantages: - High-performance transceiver with low power consumption - Small form factor package suitable for space-constrained designs - Supports various interface options for flexibility - Robust signal quality monitoring for improved reliability - Energy-efficient operation for reduced power consumption

Disadvantages: - Limited to 10/100 Mbps Ethernet speeds, not suitable for Gigabit Ethernet applications - Lacks advanced features like Power over Ethernet (PoE) support

Working Principles

The DP83846AVHG/NOPB is an Ethernet Physical Layer Transceiver that operates by converting digital data into analog signals suitable for transmission over Ethernet cables. It receives incoming data packets, decodes them, and provides the received data to the host system. Similarly, it encodes outgoing data from the host system into a format suitable for transmission over the Ethernet network.

The transceiver supports auto-negotiation to determine the optimal speed and duplex mode for communication. It also includes features like auto-MDIX, which eliminates the need for crossover cables, and signal quality monitoring for cable diagnostics.

Application Field Plans

The DP83846AVHG/NOPB is widely used in various networking applications, including:

1. Ethernet switches
2. Network interface cards (NICs)
3. Industrial automation systems
4. Embedded systems
5. Internet of Things (IoT) devices
6. Home networking equipment

Its small form factor and low power consumption make it suitable for space-constrained designs in these application fields.

Alternative Models

If the DP83846AVHG/NOPB does not meet specific requirements, alternative models with similar functionality include:

1. DP83848CVV/NOPB
2. DP83849IFVS/NOPB
3. KSZ8081RNBIA/TR

These alternatives offer comparable features and can be considered as replacements based on specific design considerations.

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